Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBAP9XXFD239764 · Truck-Tractor · TRUCK
Carriers run under3
34 mo
Inspections26
all-time
OOS inspections2
of 26
First seenNov 11, 2023
TX
Last seenSep 2, 2026
US
Inspected under 3 different carriers in 34 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBAP9XXFD239764
Make
Peterbilt
Model
579
Model year
2015
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BAP9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1985 or 2015

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
239764

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 143 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 143 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 11, 2023 – Sep 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 2, 2026USI · Full3JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Aug 19, 2026TXII · Walk-around4JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Aug 7, 2026TXI · Full1JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Jul 22, 2026TXII · Walk-around2JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/TA
Jul 8, 2026USII · Walk-around1JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Jun 1, 2026TXI · Full5JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/TA
May 21, 2026USI · Full4JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Apr 29, 2026TXII · Walk-around0JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Apr 23, 2026TXII · Walk-around1JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Apr 6, 2026TXI · Full3JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Mar 11, 2026TXI · Full1JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Mar 5, 2026TXII · Walk-around1JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Feb 11, 2026TXI · Full1JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Feb 4, 2026TXI · Full0JUANA HERLINDA LOPEZ RAMIREZ 258163663ES3H/MX
Jun 16, 2025TXII · Walk-around1LA JOYA TRUCKING LLC 1675050R712221/TX
Jun 6, 2025TXII · Walk-around0LA JOYA TRUCKING LLC 167505063ES3H/MX
Apr 11, 2025USI · Full0LA JOYA TRUCKING LLC 1675050R712221/TX
Mar 20, 2025TXII · Walk-around2LA JOYA TRUCKING LLC 1675050R712221/TX
Feb 17, 2025TXIII · Driver-only0LA JOYA TRUCKING LLC 1675050R712221/TX
Nov 15, 2024TXI · Full6LA JOYA TRUCKING LLC 1675050R712221/TX
Jun 17, 2024TXII · Walk-around1LA JOYA TRUCKING LLC 1675050R712221/TX
Apr 9, 2024TXII · Walk-around1LA JOYA TRUCKING LLC 1675050R712221/TX
Mar 22, 2024TXI · Full1LA JOYA TRUCKING LLC 1675050R712221/TX
Dec 26, 2023TXII · Walk-around2OOSTRANSPORTES LOZOYA GARZA SA DE CV 389503063ES6E/MX
Dec 18, 2023TXI · Full6OOSTRANSPORTES LOZOYA GARZA SA DE CV 389503063ES6E/MX
Nov 11, 2023TXIII · Driver-only1TRANSPORTES LOZOYA GARZA SA DE CV 389503063ES6E/TA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JUANA HERLINDA LOPEZ RAMIREZ2581636Feb 4, 2026Sep 2, 202614TA
LA JOYA TRUCKING LLC1675050Mar 22, 2024Jun 16, 20259TX
TRANSPORTES LOZOYA GARZA SA DE CV3895030Nov 11, 2023Dec 26, 20233TA
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
63ES3HMX1JUANA HERLINDA LOPEZ RAMIREZFeb 4, 2026Sep 2, 202612
63ES3HTA1JUANA HERLINDA LOPEZ RAMIREZJun 1, 2026Jul 22, 20262
R712221TXLA JOYA TRUCKING LLCMar 22, 2024Jun 16, 20258
63ES3HMXLA JOYA TRUCKING LLCJun 6, 2025Jun 6, 20251
63ES6EMXTRANSPORTES LOZOYA GARZA SA DE CVDec 18, 2023Dec 26, 20232
63ES6ETATRANSPORTES LOZOYA GARZA SA DE CVNov 11, 2023Nov 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026